Replacement parts available here. Classic Threaded Lid Kits come in a retail box. The others are bulk packaged. Chalkboard lids come with a plastic collar to attach the pump and lid. The other options have threading built into the lid, and the pump screws on directly. Comes with a 4 1/2" tube (6 1/2" protrusion into the jar including the part of the pump that sticks into the jar), which is the right length for a quart jar. For a pint jar, cut the tube to fit with a scissors. Cut the tube so that it does not touch the bottom of your jar. To assemble, listed from top to bottom: Pump, lid, plastic "nut" screws in under lid, foam liner covers inner lid and nut, then plastic tube. Cut tube to correct length, fill jar with soap, and screw onto jar. They are made of stainless steel and plastic, painted black. The threading is 28/400.